Home / 3,249.71-4,484.32-1,923.18

Finding the Fourth Proportional to 3,249.71, 4,484.32 and 1,923.18

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Solution

The fourth proportional to 3,249.71, 4,484.32 and 1,923.18 is: 2,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.71 : 4,484.32 = 1,923.18 : x
  2. Step 2: Convert to fraction form
    3,249.71/4,484.32 = 1,923.18/x
  3. Step 3: Cross multiply
    3,249.71x = 4,484.32 × 1,923.18
  4. Step 4: Simplify right side
    3,249.71x = 8,624,154.54
  5. Step 5: Solve for x
    x = 8,624,154.54/3,249.71
  6. Step 6: Final answer
    x = 2,653.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.